Precision Roller Chain, Elements and Connecting Backlinks
The precision steel roller chain is usually a extremely productive and versatile usually means of transmitting mechanical energy, which, while in the field of industrial 
applications, has nearly fully superseded all other types of chain previously employed.
Outer Link – Press Match (BS/DIN) Riveting Pin Website link – Press Fit (ANSI)
For use with all sizes and sorts of chain wherever optimum protection is desired. The link is supplied with bearing pins riveted into one outer plate. The other outer plate is definitely an interference fit about the bearing pins, the ends of which need to be riveted in excess of right after the plate is fitted. Press fit connecting backlinks should only be utilised as soon as; new backlinks must be utilized to exchange dismantled back links. (See ‘Riveting Chain Endless’ for complete instructions).
Connecting Link – Slip Fit (BS/DIN/ANSI)
A connecting link supplied with two connecting pins riveted to the outer plate. The outer plate is often a clearance match within the connecting pins and is secured in place by a split pin through the projecting end of each connecting pin.
Connecting Website link – Slip Fit (BS/DIN/ANSI)
Used on brief pitch chains only. Supplied with two connecting pins riveted into the outer plate, the clearance fit connecting plate getting secured by means of a spring clip, No. 27, which snaps into the grooves within the pins.
